3 watercress salad creamy dijon dressing Recipes

fat-free sour cream, minced shallot, minced fresh or 1 tsp dried tarragon, dijon mustard, white wine vinegar, water, garlic clove, minced, julienne-cut peeled celeriac (celery root; about 1 1/2 lb), coarsely chopped romaine lettuce (about 2 heads ), trimmed watercress (about 2 bunches), chopped walnuts, toasted

peeled, deveined medium shrimp (30 to 35 per lb.), bay scallops, cleaned calamari , bodies cut into 1/2-in.-wide rings and tentacles cut in half lengthwise, mayonnaise, grated lemon peel, fresh lemon juice, coarsely chopped fresh tarragon, dijon mustard, kosher salt, pepper, coarsely chopped watercress leaves, drained capers, avocado, pitted, peeled, and diced